Alert archive / Iowa / Severe Thunderstorm Warnings / 2023

Severe Thunderstorm Warnings in Iowa, May 2023

105 severe thunderstorm warnings in May 2023. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in May 2023. Tap one for its archive.

Severe Thunderstorm Warnings: 105
Busiest day: May 7, 202341 severe thunderstorm warnings

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

Issued	Product	Office	Counties	Lasted
May 6, 4:20 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	40 min
May 6, 8:22 PM CDT	Severe Thunderstorm Warning	DVN	Van Buren	38 min
May 6, 8:54 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Henry, Lee, Van Buren	40 min
May 6, 9:38 PM CDT	Severe Thunderstorm Warning	DVN	Lee	34 min
May 6, 9:53 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Lee	52 min
May 6, 10:38 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Jefferson, Van Buren	52 min
May 6, 10:52 PM CDT	Severe Thunderstorm Warning	DVN	Iowa, Johnson, Keokuk, Louisa, Washington	38 min
May 7, 12:01 AM CDT	Severe Thunderstorm Warning	DVN	Jefferson	29 min
May 7, 12:19 AM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Henry, Jefferson, Louisa, Washington	41 min
May 7, 12:34 AM CDT	Severe Thunderstorm Warning	DVN	Van Buren	41 min
May 7, 12:40 AM CDT	Severe Thunderstorm Warning	DMX	Davis	50 min
May 7, 12:47 AM CDT	Severe Thunderstorm Warning	DVN	Louisa	28 min
May 7, 1:03 AM CDT	Severe Thunderstorm Warning	DVN	Jefferson	27 min
May 7, 1:14 AM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Van Buren	31 min
May 7, 1:34 AM CDT	Severe Thunderstorm Warning	DVN	Lee, Van Buren	26 min
May 7, 12:45 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Carroll, Crawford, Sac	45 min
May 7, 1:24 PM CDT	Severe Thunderstorm Warning	DMX	Carroll, Greene	51 min
May 7, 2:03 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Greene, Webster	26 min
May 7, 2:56 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Hamilton, Hardin, Marshall, Story	49 min
May 7, 3:30 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall, Story	45 min
May 7, 3:40 PM CDT	Severe Thunderstorm Warning	DMX	Grundy, Hardin, Marshall, Story, Tama	32 min
May 7, 3:49 PM CDT	Severe Thunderstorm Warning	DMX	Tama	26 min
May 7, 3:51 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Poweshiek	39 min
May 7, 3:51 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Benton	39 min
May 7, 4:08 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Iowa	37 min
May 7, 4:15 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall, Poweshiek, Tama	45 min
May 7, 4:24 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Benton, Iowa	36 min
May 7, 4:32 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Henry, Lee	43 min
May 7, 4:46 PM CDT	Severe Thunderstorm Warning Destructive damage threat	DMX	Poweshiek, Tama	44 min
May 7, 4:48 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Benton, Iowa, Johnson, Linn	42 min
May 7, 4:57 PM CDT	Severe Thunderstorm Warning	DVN	Iowa, Keokuk, Washington	48 min
May 7, 5:01 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Mahaska, Poweshiek	44 min
May 7, 5:10 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Des Moines, Lee	33 min
May 7, 5:19 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Cedar, Johnson, Louisa, Muscatine, Washington	41 min
May 7, 5:38 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Mahaska	15 min
May 7, 5:42 PM CDT	Severe Thunderstorm Warning	DVN	Jefferson, Keokuk, Washington	48 min
May 7, 5:49 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Cedar, Johnson, Louisa, Muscatine, Scott, Washington	56 min
May 7, 6:07 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Scott	38 min
May 7, 6:25 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Henry, Jefferson, Louisa, Van Buren, Washington	35 min
May 7, 6:36 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Louisa, Muscatine, Scott	39 min
May 7, 6:41 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Scott	49 min
May 7, 6:52 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Des Moines, Henry, Jefferson, Louisa	38 min
May 7, 7:06 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Henry, Jefferson, Lee, Van Buren	24 min
May 7, 7:06 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills	54 min
May 7, 7:19 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Des Moines, Lee	41 min
May 7, 7:21 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	54 min
May 7, 7:27 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Henry	33 min
May 7, 7:36 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Adams, Cass, Union	39 min
May 7, 7:39 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery, Pottawattamie	96 min
May 7, 7:49 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Des Moines, Lee	56 min
May 7, 7:56 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Fremont, Mills	64 min
May 7, 7:58 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Adams, Cass	47 min
May 7, 8:13 PM CDT	Severe Thunderstorm Warning	DMX	Adair	47 min
May 7, 8:16 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	44 min
May 7, 8:28 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Adams, Union	47 min
May 7, 8:29 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Fremont, Mills, Montgomery, Page	61 min
May 7, 8:29 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	31 min
May 7, 8:44 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Union	46 min
May 7, 8:54 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Montgomery, Page	66 min
May 7, 8:57 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Madison, Union	48 min
May 7, 8:57 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	14 min
May 7, 9:03 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Taylor	42 min
May 7, 9:17 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	28 min
May 7, 9:20 PM CDT	Severe Thunderstorm Warning	DMX	Grundy, Hardin, Marshall	40 min
May 7, 9:21 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	39 min
May 7, 9:33 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan	42 min
May 7, 9:36 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	39 min
May 7, 9:57 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Tama	33 min
May 7, 10:06 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	54 min
May 7, 10:15 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	47 min
May 7, 10:29 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Decatur, Lucas, Warren, Wayne	46 min
May 7, 10:38 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Shelby	48 min
May 7, 11:04 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	30 min
May 8, 6:12 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	33 min
May 8, 7:10 PM CDT	Severe Thunderstorm Warning	OAX	Monona	35 min
May 8, 7:12 PM CDT	Severe Thunderstorm Warning	DMX	Emmet, Kossuth	48 min
May 8, 7:17 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth, Palo Alto	43 min
May 8, 7:56 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt, Kossuth, Palo Alto, Pocahontas	49 min
May 8, 9:01 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	29 min
May 10, 11:48 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Woodbury	42 min
May 11, 12:27 AM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Sioux	33 min
May 11, 12:44 AM CDT	Severe Thunderstorm Warning	FSD	Cherokee, O'Brien, Plymouth, Sioux	23 min
May 11, 1:40 AM CDT	Severe Thunderstorm Warning	FSD	Lyon	50 min
May 12, 7:27 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	33 min
May 12, 7:31 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Monona	59 min
May 12, 7:46 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Woodbury	44 min
May 12, 7:50 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	40 min
May 12, 7:51 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	8 min
May 12, 7:51 PM CDT	Severe Thunderstorm Warning	OAX	Monona	9 min
May 12, 7:56 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Harrison, Monona	49 min
May 12, 8:17 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Sioux	28 min
May 12, 8:18 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	27 min
May 12, 8:27 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Woodbury	48 min
May 12, 8:59 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	31 min
May 12, 9:26 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Monona	34 min
May 12, 9:54 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Monona	51 min
May 12, 10:47 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Monona	28 min
May 13, 12:17 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Madison, Polk, Warren	43 min
May 13, 12:45 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Iowa	31 min
May 13, 12:57 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marion, Polk, Warren	48 min
May 13, 12:57 PM CDT	Severe Thunderstorm Warning	DVN	Johnson	18 min
May 13, 3:21 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Marion	39 min
May 29, 8:47 PM CDT	Severe Thunderstorm Warning	FSD	Dickinson	28 min
May 30, 3:51 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Greene, Webster	39 min
May 31, 3:52 PM CDT	Severe Thunderstorm Warning	FSD	O'Brien, Sioux	23 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

29 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2022 2024

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.